Neural Networks For Your Dog - 3.2 Random Weights

Опубликовано: 21 Июль 2021
на канале: GormAnalysis

139

In this video, we'll introduce the formal structure of a neural network and then we'll code one up with random weights.

0:00 - introduction
0:12 - neural network beginnings / structure
2:25 - example calculation / input to ouput
4:08 - challenge
4:30 - input matrices
5:21 - weight matrices
6:16 - signal nodes
6:44 - hidden layer nodes
7:14 - Z matrices
7:56 - X2 matrix / Yhat / Heaviside step function
8:41 - solution / NNet class code
12:17 - NNet code demo

-- Code -----------------------
https://github.com/ben519/nnets-for-y...

-- Vids & Playlists ---------------------------------
Google Colab -    • Introduction to Google Colab
NumPy -    • Python NumPy For Your Grandma
Pandas -    • Python Pandas For Your Grandpa
Neural Networks -    • Neural Networks For Your Dog

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